It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/pack.ll b/test/CodeGen/ARM/pack.ll
new file mode 100644
index 0000000..8cd392b
--- /dev/null
+++ b/test/CodeGen/ARM/pack.ll
@@ -0,0 +1,80 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm -mattr=+v6 | \
+; RUN: grep pkhbt | wc -l | grep 5
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm -mattr=+v6 | \
+; RUN: grep pkhtb | wc -l | grep 4
+; END.
+
+implementation ; Functions:
+
+int %test1(int %X, int %Y) {
+ %tmp1 = and int %X, 65535 ; <int> [#uses=1]
+ %tmp4 = shl int %Y, ubyte 16 ; <int> [#uses=1]
+ %tmp5 = or int %tmp4, %tmp1 ; <int> [#uses=1]
+ ret int %tmp5
+}
+
+int %test1a(int %X, int %Y) {
+ %tmp19 = and int %X, 65535 ; <int> [#uses=1]
+ %tmp37 = shl int %Y, ubyte 16 ; <int> [#uses=1]
+ %tmp5 = or int %tmp37, %tmp19 ; <int> [#uses=1]
+ ret int %tmp5
+}
+
+int %test2(int %X, int %Y) {
+ %tmp1 = and int %X, 65535 ; <int> [#uses=1]
+ %tmp3 = shl int %Y, ubyte 12 ; <int> [#uses=1]
+ %tmp4 = and int %tmp3, -65536 ; <int> [#uses=1]
+ %tmp57 = or int %tmp4, %tmp1 ; <int> [#uses=1]
+ ret int %tmp57
+}
+
+int %test3(int %X, int %Y) {
+ %tmp19 = and int %X, 65535 ; <int> [#uses=1]
+ %tmp37 = shl int %Y, ubyte 18 ; <int> [#uses=1]
+ %tmp5 = or int %tmp37, %tmp19 ; <int> [#uses=1]
+ ret int %tmp5
+}
+
+int %test4(int %X, int %Y) {
+ %tmp1 = and int %X, 65535 ; <int> [#uses=1]
+ %tmp3 = and int %Y, -65536 ; <int> [#uses=1]
+ %tmp46 = or int %tmp3, %tmp1 ; <int> [#uses=1]
+ ret int %tmp46
+}
+
+int %test5(int %X, int %Y) {
+ %tmp17 = and int %X, -65536 ; <int> [#uses=1]
+ %tmp2 = cast int %Y to uint ; <uint> [#uses=1]
+ %tmp4 = shr uint %tmp2, ubyte 16 ; <uint> [#uses=1]
+ %tmp4 = cast uint %tmp4 to int ; <int> [#uses=1]
+ %tmp5 = or int %tmp4, %tmp17 ; <int> [#uses=1]
+ ret int %tmp5
+}
+
+int %test5a(int %X, int %Y) {
+ %tmp110 = and int %X, -65536 ; <int> [#uses=1]
+ %Y = cast int %Y to uint ; <uint> [#uses=1]
+ %tmp37 = shr uint %Y, ubyte 16 ; <uint> [#uses=1]
+ %tmp39 = cast uint %tmp37 to int ; <int> [#uses=1]
+ %tmp5 = or int %tmp39, %tmp110 ; <int> [#uses=1]
+ ret int %tmp5
+}
+
+int %test6(int %X, int %Y) {
+ %tmp1 = and int %X, -65536 ; <int> [#uses=1]
+ %Y = cast int %Y to uint ; <uint> [#uses=1]
+ %tmp37 = shr uint %Y, ubyte 12 ; <uint> [#uses=1]
+ %tmp38 = cast uint %tmp37 to int ; <int> [#uses=1]
+ %tmp4 = and int %tmp38, 65535 ; <int> [#uses=1]
+ %tmp59 = or int %tmp4, %tmp1 ; <int> [#uses=1]
+ ret int %tmp59
+}
+
+int %test7(int %X, int %Y) {
+ %tmp1 = and int %X, -65536 ; <int> [#uses=1]
+ %tmp3 = shr int %Y, ubyte 18 ; <int> [#uses=1]
+ %tmp4 = and int %tmp3, 65535 ; <int> [#uses=1]
+ %tmp57 = or int %tmp4, %tmp1 ; <int> [#uses=1]
+ ret int %tmp57
+}
+